sfc classifier flows deleted during ovs-agent restart

[Yan Xing'an]

[root@EXTENV-10-254-9-82 ~]# openstack sfc flow classifier list
+--------------------------------------+------+----------+-----------+-------------------+--------------------------------------+--------------------------+
| ID | Name | Protocol | Source-IP | Destination-IP | Logical-Source-Port | Logical-Destination-Port |
+--------------------------------------+------+----------+-----------+-------------------+--------------------------------------+--------------------------+
| 56933578-1384-47d8-ac0f-945917590387 | | tcp | None | 192.168.100.10/32 | 1d058e59-2ea8-4f02-8f5e-3b81b8b9306b | None |
+--------------------------------------+------+----------+-----------+-------------------+--------------------------------------+--------------------------+
[root@EXTENV-10-254-9-82 ~]# openstack port show 1d058e59-2ea8-4f02-8f5e-3b81b8b9306b
+-----------------------+------------------------------------------------------------------------------+
| Field | Value |
+-----------------------+------------------------------------------------------------------------------+
| admin_state_up | UP |
| allowed_address_pairs | |
| binding_host_id | EXTENV-10-254-8-14 |
| binding_profile | |
| binding_vif_details | ovs_hybrid_plug='True', port_filter='True' |
| binding_vif_type | ovs |
| binding_vnic_type | normal |
| created_at | 2017-04-26T02:19:27Z |
| description | |
| device_id | d9d5f523-a402-4019-b490-b4d68d65c06d |
| device_owner | network:router_interface |
| dns_assignment | None |
| dns_name | None |
| extra_dhcp_opts | |
| fixed_ips | ip_address='192.168.100.1', subnet_id='14590ffd-2313-4cbf-aeed-dc522acb69ae' |
| id | 1d058e59-2ea8-4f02-8f5e-3b81b8b9306b |
| ip_address | None |
| mac_address | fa:16:3e:e4:18:86 |
| name | |
| network_id | f15412d7-4aad-498e-ad44-275be87a5681 |
| option_name | None |
| option_value | None |
| port_security_enabled | False |
| project_id | d8cdc97536a545e4a135a9505665f87e |
| qos_policy_id | None |
| revision_number | 86 |
| security_groups | |
| status | ACTIVE |
| subnet_id | None |
| updated_at | 2017-04-28T03:54:11Z |
+-----------------------+------------------------------------------------------------------------------+
[root@EXTENV-10-254-9-82 ~]#

During ovs-agent restarting, i can fetch the classifier flows:

[root@EXTENV-10-254-8-14 agent]# ovs-ofctl dump-flows br-int |grep group
 cookie=0xa4175c3a6393f0ba, duration=113.411s, table=0, n_packets=0, n_bytes=0, idle_age=113, priority=30,tcp,in_port=7539,nw_dst=192.168.100.10,tp_dst=0x1f40/0xffc0 actions=group:1
 cookie=0xa4175c3a6393f0ba, duration=113.398s, table=0, n_packets=0, n_bytes=0, idle_age=113, priority=30,tcp,in_port=7539,nw_dst=192.168.100.10,tp_dst=0x1f80/0xff80 actions=group:1
 cookie=0xa4175c3a6393f0ba, duration=113.387s, table=0, n_packets=0, n_bytes=0, idle_age=113, priority=30,tcp,in_port=7539,nw_dst=192.168.100.10,tp_dst=0x2000/0xfe00 actions=group:1
 cookie=0xa4175c3a6393f0ba, duration=113.375s, table=0, n_packets=0, n_bytes=0, idle_age=113, priority=30,tcp,in_port=7539,nw_dst=192.168.100.10,tp_dst=0x2200/0xff00 actions=group:1
 cookie=0xa4175c3a6393f0ba, duration=113.362s, table=0, n_packets=0, n_bytes=0, idle_age=113, priority=30,tcp,in_port=7539,nw_dst=192.168.100.10,tp_dst=0x2300/0xffe0 actions=group:1
 cookie=0xa4175c3a6393f0ba, duration=113.350s, table=0, n_packets=0, n_bytes=0, idle_age=113, priority=30,tcp,in_port=7539,nw_dst=192.168.100.10,tp_dst=0x2320/0xfff8 actions=group:1
 cookie=0xa4175c3a6393f0ba, duration=113.339s, table=0, n_packets=0, n_bytes=0, idle_age=113, priority=30,tcp,in_port=7539,nw_dst=192.168.100.10,tp_dst=9000 actions=group:1
[root@EXTENV-10-254-8-14 agent]#

But after restarting is finished, i got nothing:
[root@EXTENV-10-254-8-14 agent]# ovs-ofctl dump-flows br-int |grep group
[root@EXTENV-10-254-8-14 agent]#

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/463252

[OpenStack Infra (hudson-openstack)]

Change abandoned by Armando Migliaccio (<email address hidden>) on branch: master
Review: https://review.openstack.org/463252
Reason: This review is > 4 weeks without comment, and failed Jenkins the last time it was checked. We are abandoning this for now. Feel free to reactivate the review by pressing the restore button and leaving a 'recheck' comment to get fresh test results.